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Last activity 2017-05-30 11:01:06 +0200 by Kristin flag of Norway

Serial port interrupt

I have a serial port set upp with the serial port library like this:

#define UART_PIN_DISCONNECTED           0xFFFFFFFF /**< Value indicating that no pin is connected to this UART register. */
#define RX_PIN_NUMBER                   7
#define TX_PIN_NUMBER                   8
#define CTS_PIN_NUMBER                  UART_PIN_DISCONNECTED
#define RTS_PIN_NUMBER                  UART_PIN_DISCONNECTED ...
(more)

78
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no
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2
answers
Last activity 2017-05-30 09:45:27 +0200 by Hung Bui

Secure DFU example !!

Why did you make the secure dfu example so complicated ? The sample works but why is it so difficult??

49
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no
answers
Last activity 2017-05-27 12:12:53 +0200 by ffreturn

[nrf52832][S132 4.0.2] application can not start normally in merged hex (SD+APP+BL)

I am beginner of 52832. Current software is based S132 4.0.2 and SDK 13.0.0. Test platform is based on PCA10040.0

My problem is application can not start normally in merged hex. Merged hex means softdevice ... (more)

20
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no
votes
1
answer
Last activity 2017-05-27 11:05:54 +0200 by endnode

S132 v4.0.2 - How to disable DLE or force LL_UNKNOWN_RSP?

Using S132 v4.0.2, is it possible to disable DLE (i.e. make it NOT set the LE Data Packet Length Extension used bit in the LL_FEATURE_RSP)?

Alternatively, is there a way to force S132 v4.0.2 to ... (more)

51
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no
votes
1
answer
Last activity 2017-05-27 11:02:56 +0200 by hhuseyin

nrf52 Bootloader_secure_ble

Hello, I am using nrf52 with sdk 13.0.0. Bootloader_secure_ble gives error while compiling. What should I do ?

        Error[Lt009]: Inconsistent wchar_t size 
        micro_ecc_lib_uECC.c.o(micro_ecc_lib_nrf52.a) has wchar_t size 16 bits 
        app_error_weak.o and 66 other objects ...
(more)

36
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no
votes
1
answer
Last activity 2017-05-26 09:14:45 +0200 by Bjørn Spockeli flag of Norway

remote dfu insufficient resources [closed]

image description

I am using nrf52832 BLE chip(10040), sdk 12.2, softdevice s132 with sample example boot-loader code(dual bank).

I modified the boot-loader code for button-less DFU.

The dfu failed with remote dfu error ie remote dfu insufficient resources.

Please ... (more)

174
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1
vote
1
answer
Last activity 2017-05-25 18:12:18 +0200 by endnode

Relay Defination and Question

Hey, Just had a quick question... I was doing the Relay example and I don't totally understand what a "relay" is. Can you explain what the purpose and usage of relay is for?

On the same note, if my ... (more)

25
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answers
Last activity 2017-05-23 17:22:48 +0200 by Agge

BLE_GATTS_OP_EXEC_WRITE_REQ_NOW never received

I've merged the experimental_ble_queued writes sample code into my project and am testing the long write characteristic with nrfConnect from an Android phone. I get no errors anywhere, everything seems to work fine, except I never receive the BLE_GATTS_OP_EXEC_WRITE_REQ_NOW ... (more)

19
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answers
Last activity 2017-05-23 11:39:22 +0200 by Andrzej Kuroś

Connection event position in time

Dear Nordicers,

I have an application where node based on s132 sofddevice 4.0.2 has multiple connections as a peripheral and as a central. The case is about non overlapping central and peripheral connection events. I can make all ... (more)

38
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1
vote
2
answers
Last activity 2017-05-22 14:23:15 +0200 by Kristin flag of Norway

fstorage not initializing properly in my app

I want to store two floats and one 8 character string in fstorage.

I solved it by using 4 uint32 types stored in flash, I got it working in the ble_app_template example, but when I try to implement the same ... (more)

66
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1
vote
1
answer
Last activity 2017-05-22 09:43:59 +0200 by Jørgen Holmefjord flag of Norway

s140 nrf52840 freeRTOS

Hi Engineers!

does new s140 nrf52840 support freeRTOS like s132 does ?

Thanks!

104
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answers
Last activity 2017-05-22 08:44:14 +0200 by Rudra

Framing errors

Hi Team,

I am using nRF5_SDK_11.0.0_freertos_dfu_060516.zip SDK. I have added NUS service with UART configurations in this code successfully. When I am commented the DFU from Makefile, uart communication working good. As soon as I Uncommented DFU ... (more)

23
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answers
Last activity 2017-05-20 12:13:52 +0200 by ankitjain96

how to set the mqtt broker address in nrf5 iot sdk mqtt example

static const ipv6_addr_t m_broker_addr = { .u8 = {0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01} };

In the above how do i set the ipv6 address which is C2:98:AB:01:42:C1?

35
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1
vote
1
answer
Last activity 2017-05-20 02:33:43 +0200 by Shreyas Shivalkar

FTU OTA Failed.

image description

I am new to nordic ble chips. I am using nrf52832 ble chip, s132_nrf52_3.0.0_softdevice I am trying to update firmware on the air. But I am getting an error that I do not understand. I have attached the ... (more)

28
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2
votes
1
answer
Last activity 2017-05-17 15:20:48 +0200 by Bert

Handling BLE_EVT_USER_MEM_RELEASE

As a central, I am writing to a variable length characteristic, advertised by a service of my peripheral. In this case, I am sending 80 bytes of 0x01 as a test

    uint8_t testData[80];
    size_t len = sizeof(testData);
    memset(&testData ...
(more)

32
views
1
vote
1
answer
Last activity 2017-05-17 08:34:11 +0200 by Andrzej Kuroś

sd_ble_gap_data_length_update returns NRF_ERROR_RESOURCES [closed]

s132 4.0.2, nRF5 SDK 13. In BLE_GAP_EVT_CONNECTED event handler I try to call sd_ble_gap_data_length_update returns NRF_ERROR_RESOURCES.

I have

#define NRF_BLE_GATT_MAX_MTU_SIZE   (247)

Then in ble_stack_init I have:

// Configure the maximum ATT MTU
memset(&ble_cfg, 0x00, sizeof(ble_cfg));
ble_cfg.conn_cfg ...
(more)

40
views
no
votes
1
answer
Last activity 2017-05-16 12:48:11 +0200 by Hung Bui

Secure DFU on sdk 11

Hi, I am trying to secure DFU on SDK 11 (NRF52). Would you please suggest if there is a way to secure firmware on old sdk, without upgrading to sdk 12+? Thanks.

56
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answers
Last activity 2017-05-14 11:55:20 +0200 by san

register with gatt stack failed Error BLE android

My android app give me this "register with gatt stack failed" error on Samsung S7 marshmallow. The scenario is that I am working with 21 BLE peripherals (nrf52). I scan available devices and then connect => write data => disconnect device one ... (more)

60
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no
answers
Last activity 2017-05-12 11:52:12 +0200 by ReubenGalleos

Nordic UART Relay

Hi,

I'm trying to adapt the HRS/RSCS relay example from the SDK to use the Nordic UART service instead. Currently I can connect to the central just fine, but if I try to connect a peripheral to the ... (more)

42
views
no
votes
1
answer
Last activity 2017-05-12 01:15:49 +0200 by polalavik

Central multilink explanation

in the ble multilink central example i'm not understanding where the functions in client_handling.c are exercised some don't seem to be used in main or client_handling (client_handling_dm_event_handler() for example)

Additionally in client_handling.c:

#define MULTILINK_PERIPHERAL_BASE_UUID    {{0xB3, 0x58 ...
(more)

58
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1
vote
2
answers
Last activity 2017-05-11 13:24:46 +0200 by Hung Bui

Concurrent services discovery

I am using S132 4.0.2 and SDK 13, and I have theese questions:

1) I have an application where BLE node establishes multiple concurrent connections (several as central and several as peripheral). They will start db discovery on ... (more)

89
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no
votes
1
answer
Last activity 2017-05-11 11:02:09 +0200 by Jarmo

softdevice_enable() does not return on nRF52, sdk12.0.0

I am using s132_nrf52_3.0.0_softdevice.hex and sdk12 and compiling with arm-none-eabi-gcc. The problem is that the bluetooth set up just jams at:

   // Enable BLE stack.
    err_code = softdevice_enable(&ble_enable_params);
    APP_ERROR_CHECK(err_code);

So I do not get any error code ... (more)

289
views
no
votes
1
answer
Last activity 2017-05-10 14:05:55 +0200 by t

How to make a simple LED blink program

Hello Everyone

I am really new to everything here, i just got nRF 52832 board,

Can anyone please tell me the step-by- step method on how to make a program in keil uVision.

Any help will be greatly appreciated.

thanks in advance

27
views
no
votes
1
answer
Last activity 2017-05-09 16:27:50 +0200 by binhnguyens

nrf 52 dk and nrf connect

Hey, I have my nrf 52 dk and nrf connect 1.1.1.

I have soft device v3 on my nrf 52.

I connect my board into my computer, NRF connect recognizes my board and gives me com 3. It ... (more)

45
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no
votes
no
answers
Last activity 2017-05-08 21:29:04 +0200 by Sal

preparing a hex file to program in flash

Hello, I am using nrf52832 board, with SDK 11.0.0 and s132_nrf52_2.0.0. and trying to program a 512 Bytes text file using nrfjprog (J-Link: JLinkExe) in flash. The nrfjprog tool only allows a 4 Byte value write ... (more)

102
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no
votes
2
answers
Last activity 2017-05-08 10:57:48 +0200 by Jørgen Holmefjord flag of Norway

Do NRF52 support USB

Hi, I was reading datasheet of nRF52832, but i didn't see USB topic in that. But i checked the SDK which has USB example for HID_keyboard and mouse? Is that Means we are implementing USB using bit banging?

117
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1
vote
2
answers
Last activity 2017-05-07 12:42:41 +0200 by Fredrik

Trouble with buttonless DFU - bootloader settings crc fails

Hi guys. I am struggling to get buttonless DFU to work in my owm application. I am using SDK12.2 with gcc on a pca10040 board with S132.

I have successfully followed this tutorial to get the buttonless DFU example ... (more)

94
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no
votes
no
answers
Last activity 2017-05-06 11:51:22 +0200 by sheep

Can I get the tool of nrfutil in C files?

I want to use another MCU(MT7688 run OpenWRT) as a upper monitor to DFU the nrf52832,But you know,the way of serial download for nrf52832 is use nrfutil with command that nrfutil dfu serial -pkg package.zip -p ... (more)

22
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no
votes
1
answer
Last activity 2017-05-05 13:31:59 +0200 by Hung Bui

HOW TO PERFORM DFU IN SDK 11.0

I am working on RTLS project. I want to perform DFU in beacons but not getting proper information .I went through (https://devzone.nordicsemi.com/blogs/...) but i think it i for SDK 13.0 which has some different method ... (more)

89
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1
vote
1
answer
Last activity 2017-05-05 10:53:41 +0200 by Hung Bui

How to set bootloader run first in my application?

Iprogram the bootloader.hex to 0x78000 with jlink.Then in my application program,I set the NRF_UICR->NRFFW[0] register as belew:

static void write_uicr_customer_register(uint32_t * data, uint32_t offset)
{
    uint32_t* cust_data = (uint32_t*)(NRF_UICR_BASE + offset);

    if(*cust_data != 0xFFFFFFFF)
    {
        NRF_NVMC->CONFIG = 2 ...
(more)

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